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I’m Wei Na. I’m ten. I come from Fujian. My hometown is Xiamen. It’s a very clean and beautiful city. Our house is near the sea. From my house, I can see many ships on the sea. People here like swimming. I like swimming, too. I often go swimming with my mother. Everyone in Xiamen likes the sea, the blue sky (天空) and the beautiful city. I like it very much.
1．Wei Na is ten years old.2．Xiamen is in Fujian.
3．Wei Na can see many sheep on the sea.
4．Wei Na often goes swimming with her friends.
5．People in Xiamen like the sea and the blue sky.
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
